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Gray/Portland, ME Local Forecast Office

14NM NE Portsmouth NH

Marine Point Forecast

[NOTICE]

Today
High: 71 °F
⇑Light Wind
< 1ft
Tonight
Low: 57 °F
Light Wind
< 1ft
Thursday
High: 70 °F
⇑SSE 20kt
< 1ft
Thursday Night
Low: 61 °F
WSW 10kt
< 1ft
Juneteenth
High: 77 °F
WSW 10kt
< 1ft
Friday Night
Low: 60 °F
W 10kt
< 1ft
Saturday
High: 74 °F
W 10kt
< 1ft
Saturday Night
Low: 59 °F
Light Wind
< 1ft
Sunday
High: 72 °F
Light Wind
< 1ft

High and low forecast temperature values represent air temperature.

Associated Zone Forecast which includes this point

Last Update: 6:50 am EDT Jun 17, 2026
Forecast Valid: 9am EDT Jun 17, 2026-6pm EDT Jun 23, 2026

View Nearby Observations

Detailed Forecast

Today

Variable winds 5 kt or less. Sunny. Seas 1 ft or less.

Tonight

Variable winds 5 kt or less. Patchy fog after 3am. Seas 1 ft or less.

Thursday

SSE wind 10 to 15 kt increasing to 15 to 20 kt in the afternoon. Winds could gust as high as 30 kt. Showers, with thunderstorms also possible after 2pm. Patchy fog before 10am. Seas 1 ft or less.

Thursday Night

S wind around 10 kt becoming WSW after midnight. A chance of showers and thunderstorms before 11pm, then a chance of showers between 11pm and midnight. Seas 1 ft or less.

Juneteenth

WSW wind around 10 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Friday Night

W wind around 10 kt. Clear. Seas 1 ft or less.

Saturday

W wind around 10 kt, with gusts as high as 20 kt. Sunny. Seas 1 ft or less.

Saturday Night

Variable winds 5 kt or less. Partly cloudy. Seas 1 ft or less.

Sunday

Variable winds 5 kt or less. Mostly sunny. Seas 1 ft or less.

*Notices:

This forecast is for a single location. For safety concerns, mariners should be aware of the weather over a larger area. Forecast information for a larger area can be found within the zone forecast and the NDFD graphics.
The forecast conditions at a particular point may not exceed the criteria of a Small Craft Advisory, Gale, Storm etc. These watches/warnings/advisories are issued for the entire zone in which the point resides and mariners should act accordingly.